Image Source: AZ Family
Arizona weather tornado warning activity brought an unusually intense day of severe storms to northern Arizona, with at least 10 tornado warnings issued across the High Country on Wednesday, Oct. 21. The National Weather Service later confirmed that two tornadoes touched down in the state.
The storms produced dramatic cloud formations, intense lightning, hail and dangerous winds. A possible tornado was reported near Dewey-Humboldt, where witnesses described seeing a rotating funnel-shaped cloud beneath a dark storm system.
Arizona Weather Tornado Warning Update: Two Tornadoes Confirmed
Arizona’s Family chief meteorologist Royal Norman said radar and video appeared to show a possible tornado forming over Dewey-Humboldt Wednesday morning. The initial warnings were based on radar-indicated rotation rather than a confirmed ground observation.
Video submitted by residents showed dark funnel clouds developing over the community. Witness Steve Banwart said he saw bright flashes of lightning reaching the ground near the suspected tornado.
“I thought it was pretty cool,” Banwart said while describing the storm. Another witness, Danielle Johnson, said she saw what appeared to be a spiraling formation after stepping outside to take out the garbage.
Johnson said the weather was frightening because she had never seen a tornado in the area. Concerned that her recreational vehicle would not provide enough protection, she left for Phoenix to seek safer shelter.
Powerful Storms Triggered Warnings Across the High Country
The first warnings began around 5 a.m. and covered portions of Yavapai and Coconino counties. Areas near Perkinsville, J.D. Dam Lake, Summit Mountain, Bellemont, Parks, Camp Raymond, Fort Valley and Whitehorse Lake were included in the initial alerts.
Additional warnings followed for several communities and landmarks, including:
- Prescott, Prescott Valley and Prescott Airport
- Jerome and Woodchute Mountain
- Flagstaff, Fort Valley and Doney Park
- Valle and Red Butte Mountain
- Show Low and surrounding areas
Warnings were issued and lifted throughout the morning and afternoon as storm cells moved across the region. The National Weather Service also issued a tornado watch for northeastern, northern and northwestern Arizona that remained in effect until 6 p.m.
A separate severe thunderstorm watch for parts of northern Arizona continued until 2 a.m. Thursday. Officials warned residents to stay alert as storms shifted quickly and conditions changed from one community to the next.
Hopi Schools Closed as Severe Weather Threat Continued
All seven Hopi tribally controlled schools were closed Thursday because of the dangerous weather threat. The decision followed a day of repeated warnings, heavy storms and concerns about travel and student safety.
Although many of the warnings were radar-indicated, meteorologists emphasized that residents should treat every warning seriously. A tornado warning means a tornado has been observed or detected by radar, and people in the affected area should move indoors immediately.
Storm Chasers Track Rare Arizona Supercells
The unusual outbreak also attracted storm chasers from across the country. Photographer and storm chaser Mike Olbinski said he began tracking storms around 9 p.m. Tuesday near Fountain Hills before heading toward Prescott and Ash Fork.
Olbinski described a supercell near Fountain Hills as impressive and said hail was present as he moved into the storm’s core. He later photographed another supercell near Prescott as it moved off the mountains.
Other well-known storm chasers, including Reed Timmer and Jim Tang, also traveled to Arizona. Olbinski said the possibility of witnessing a tornado in Arizona was a major reason storm chasers were drawn to the rare setup.
He initially considered traveling to the Grand Canyon but changed course after observing storm conditions near Prescott. Later, he planned to move south toward Phoenix and the Beeline Highway.
What Residents Should Do During a Tornado Warning
Residents in northern Arizona should monitor official weather alerts, especially when severe thunderstorms are forecast. When a warning is issued, move to a small interior room on the lowest floor of a sturdy building, stay away from windows and protect your head.
People in mobile homes, recreational vehicles and other vulnerable structures should leave for a more secure shelter before conditions worsen. Drivers should avoid flooded roads, never attempt to outrun a tornado and follow instructions from emergency officials.
FAQs About the Arizona Weather Tornado Warning
How many tornadoes were confirmed in Arizona?
The National Weather Service confirmed that two tornadoes touched down in Arizona following Wednesday’s severe weather outbreak.
Where were the tornado warnings issued?
Warnings covered parts of northern, northeastern and northwestern Arizona, including areas near Dewey-Humboldt, Prescott, Flagstaff, Jerome, Valle and Show Low.
Were the initial warnings based on radar?
Yes. Arizona’s Family meteorologists said many of the initial warnings were issued because radar detected rotation rather than because a tornado had been visually confirmed on the ground.
Why were Hopi schools closed?
All seven Hopi tribally controlled schools closed Thursday because of continuing concerns about severe weather and hazardous travel conditions.
